For the future, maybe search your name and see if there are any results that are you. Then try name and your city, see if there is anything.
Use an email provider that filters spam. Like Gmail. I noticed Internet service provider email is basically unfiltered. Unsubscribe from everything.
So what if LastPass exists? They got hacked twice and covered it up. Proton pass auto fill works better than LastPass. Use what you want but why suggest a product shouldn’t exist because there is competition?
For the future, maybe search your name and see if there are any results that are you. Then try name and your city, see if there is anything.