Selling dev-tools to devs is like selling toys to kids - you target the parents (or the paying CxOs in the company). One should learn from the likes of Slack, Postman, etc. -- make it the de-facto tools for the devs/users and make them happy, then they go and ask their parents/approvers to buy them.
Pros know that you always target the kids - not just for toys, but for many other categories of wares too. Kids may have no spending authority, but they're much better at marketing to their parents than you can possibly hope for.
Like, there's a reason you see Paw Patrol merch on every other kid everywhere - they release a highly addictive animated show for kids, and kids do the rest.
The reason this doesn't work with devs is because unlike parents of kids, people with spending authority usually don't care, as devs are a cost centre and a number on a chart, not people generating value.