My dad does this almost every single time we talk. Ignoring him doesn't work, correcting him doesn't work, he'll just not acknowledge I've said anything if he doesn't like what it is.
If the issue is important enough to correct him on, I have my husband repeat what I'm saying. That seems to work. The words need to be attached to a penis in order to be understood.
This also works in other contexts. If I'm ever too exhausted to take on someone like that head on or they just refuse to listen to me, the only real solution I've found is to have another penis holder make my point for me. Some people will not budge no matter how clearly out of their depth they are, unless someone they respect is talking.
Experiences are always good. Couples massage, dinner at a nice restaurant, go to a theatre, go hiking somewhere special, go to a class together for an activity you can do as a couple, buy a game you can play together, hire a cleaner to come clean your house while you go out for a beach day together, go to a wine tasting, do an escape room, take a tour of somewhere you've never visited, etc. The most important aspect of the anniversary gift imo is that it should involve spending time together.