It now doesn't make any sense to someone to go full time open source (and running on donations) and it is completely thankless of your time anyway. AI has now made it far worse for them.
But the most evergreen part of this is, developers will almost certainly never pay for their own tools and will always build their own and then expect to sell it to themselves, which doesn't work.
So we will more close-sourcing which the author has the right to do.