Grinder is a numbers game. 95% of your interactions will lead nowhere, and might include getting blocked (as Mr Maus said for no reason). Some ppl (including me) use block to simply remove people from the seemingly endless pool of potential connections.
What I have learned from Grindr: there are a lot of legit hot young guys who are into older guys and #DaddyDick. It's a thing. Many are even into out of shape older guys. So, if you get past being blocked, and feeling like "he would never be interested in me" and just work what you have you might be surprised what turns up.
Also, lots of young guys on Grindr looking for $Gen. You have to be careful about this, but lots of hot young guys can be found for for 50-100 VS RentMen rates.
Happy hunting!