I have an Instant Pot and love it. I use it daily and to the point I have had to replace some of the electronics that failed.
Presser Canning is a totally different beast. It’s hard to get your cans into the electric ones compared to the ones designed for canning. Also the amount of cans you can get into them. As someone who grew up using these. They are great for their use cases. Your food comes into harvest and now you have 50 lbs of corn or whatever crop now you need preservative it till next harvest in your cellar. The best jams and pickles I have ever had have been out of someone’s garden.