The phrase 'Wii U made developers hesitate to jump on the Switch' is not rare by any stretch of the term, so let us ask the opposite.
Switch continues to sell well, and Switch 2 is announced.
Do the third parties move to it faster and stronger?
The Democratic Nintendo fan....is that a paradox? I'm fond of one of the more conservative companies in the industry, but I vote Liberally and view myself that way 90% of the time?