My problem with bounties is say for example it's a project where multiple people want to do it (like the git on nostr thing).  The amount of work that would take and the high bounty means someone would get burned real bad if they worked on it and didn't get it.  So they have incentive to work on it without collaborating.  And it also probably requires NIPs, which are hard enough to get a consensus, even without a competition in the background muddling the situation.  So that's why we don't have git on nostr yet imho.

For strfry tho, there are so few that could do it you're probably right that a bounty wouldn't be bad for this one.. 🤔