I can't believe great, generous people in their best intentions keep developing FOSS for a closed platform like Apple's. Do they want a closed platform? Let's

I can't believe great, generous people in their best intentions keep developing FOSS for a closed platform like Apple's. Do they want a closed platform? Let's give it to them. Stop developing FOSS for Apple. It's a "market share" I'll happily give up (and I did already).