If there are 'too many' senior clubs in Scotland, which ones get to go? The seaside clubs with 500 people at the gate every other week but they're never in financial trouble, or the clubs like Dundee, Livingston, Airdrie ... and Thistle, whose necks haven't been off the chopping block in the past 20 years?
If the herd needs thinning, cull the financial weaklings.
The suggestion that clubs like Montrose, Brechin, Forfar and the rest are somehow leeching money away from poor wee waifs like Celtic is, frankly, hilarious. I assume this is not what's being suggested.
The teams per head of population ratio is important how? Do we include Junior level teams in this as well? East of Scotland? The south?
What if the panacea suggested in the OP came about and Scotland's senior leagues were 20 strong instead of 42? Would football suddenly improve? Would fans flood in? Would players of a higher calibre flood into the Scottish game? Wasn't this what the SPL was supposed to be about? Not been a boon for Thistle, has it?