If the minor starts as fascist, like HUN, not a problem, since they can start fabricating from day 1 and WT usually won't hit 25% until JAP starts the CHI war in mid-1937.
The issue is most acute for those minors that begin as non-aligned (where the WT threshold to fabricate a claim is 50%), or democracies (100% WT threshold to fabricate). Those countries first need to flip to fascism or communism to early fabricate.
For the non-aligned who use the generic minor focus tree (i.e., ROM, YUG, LIT, TUR, BUL, GRE, etc.), the fascism flip can be done by late 1936 or early 1937 (go Political Power, take a fascist demagogue and then beeline to Nationalism Focus -- 3 focuses total), which should give them time for at least one fabrication (250 days) before the guarantees start to flow. For those that start with a meaningful amount of fascism support (like BUL at 31%), the fascism flip can, of course, happen more quickly, while others (like TUR, with 0% initial support) will take longer.
Although it is also non-aligned, POL has its own tree that requires 5 focuses to get to Fascism support (Go Right), which means they really have to rely on the fascist demagogue to get them there, but it takes way too long. In every game where I've flipped POL to fascist or communist, WT is above 25% by the time they convert, or as a result of their fabrication (which can add 8+% to WT alone), and the guarantees are flowing.
Finally, it's even worse for the democratic minors using the generic tree (e.g., CZE, SWE, etc.), since they can't even take Collectivist Ethos or Nationalism Focus until they have already flipped to fascist (which is stupid design, IMO -- the only minors that need fascism support after converting to fascism are those in the Americas, to combat the USA's democratic influence). Like POL, their fascism flip will often happen too late to allow fabrication before guarantees flow.
