Anyway, to answer your question, no, not okay to close up the nonprofit and go 100% for-profit in that case. Concisely, in any human matteres: Do what you say

Anyway, to answer your question, no, not okay to close up the nonprofit and go 100% for-profit in that case. Concisely, in any human matteres: Do what you say you'll do, or, add qualifiers/don't say it. Take funds from a subset of users who need support services or patch guarantees of some kind, use that to pay people to continue to maintain and improve the product.