So Bonnyrigg and Kelty have good management, good money and were organized.
So it's possible, even under the present "unfair" system. Which undermines your argument more than a bit.
Of course there can be automictic regulation.
There may be automatic relegation; but it's so unlikely to come about you might as well cry for the Moon. Why on Earth should any Tier 4 club vote for a 20% chance of relegation? Even newly promoted ones won't do that.