Even watching from a strictly neutral professional standpoint, I was as captivated as anyone else by the sheer energy and enthusiasm of the referendum campaign.

This wasn't, however, just flag-waving and street stalls. There were some real hefty issues being discussed.

This was no sterile constitutional debate, but a real contest about a vision for the future of our country that truly mobilised the general public.

Encouragingly, one of the most significant discussions was around social justice and the future of welfare provision for the most disadvantaged people in Scotland.

In my view, the Expert Working Group on Welfare, established in 2013 by the Scottish Government and chaired by one of my predecessors at Shelter Scotland, Martyn Evans, did a real service to that discussion by introducing the theme of dignity in welfare.

Too much of the argument about welfare is about who can be seen to be toughest on so-called "benefit cheats" and "scroungers" and too little about a system that acts as a safety net when people fall and also a springboard to a more dignified future, one that restores public confidence in its purpose in the process.

It's an aspect of public policy debate that is also disfigured by its narrowness.

The bedroom tax is one of the most crass and unfair policies I have witnessed in 30 years of engaging in social policy - and it should be scrapped at the earliest opportunity - but it really is just one part of a much bigger picture.

While we are talking about £20 million here or £50m there, we are losing sight of the larger issue of the £1.7 billion that is spent on housing henefit in Scotland every year.

That £1.7bn is massively more than the any other aspect of public housing expenditure in Scotland.

Yet it remains entirely in the hands of a Whitehall impervious to how it might support our distinctive ambitions on a more secure and stable private rented sector or, indeed, a social housing landscape that offers long-term prospects for tenants.

To be fair, some of the political parties have focused on the housing benefit anomaly and argued for it to be devolved.

But let us be absolutely clear: this is not just about severing housing benefit off from the rest of welfare and then delivering the same clunky, bureaucratic system, with the money simply totted up in Edinburgh on the same model rather than at Whitehall.

If we are talking about devolution we should be talking about re-engineering the system of housing allowances and with that must come wholesale reform of other housing subsidies and the tax treatment of renting - another reserved area.

In this way, the £1.7bn housing benefit sum becomes part of a bigger pot that allows us to rethink how we "do" the funding of housing in a more fundamental and comprehensive way than at any time since Beveridge and his fellow policy architects were hammering out the foundations of the welfare state in the 1940s.

That means looking at tax, borrowing and wider equalities issues as much as housing benefit.

It also means looking at other elements of welfare support such as Job Seekers Allowance and Employment Support Allowance as well as the unresolved tensions around the roll out of Universal Credit.

That is not a swift task; nor is it one that can easily be crammed into the dauntingly short timescales the Smith Commission has been given.

Inevitably, a great deal more painstaking work will be needed over a longer period and the critical challenge of making the transition to an entirely new system needs to be confronted.

The independence referendum was a unique opportunity to think big.

This post-referendum period might well be a time to think bigger and perhaps to think even bolder.