Some people do record calls to companies. I choose to understand "Calls may be recorded" as permission and say "Thank you", even if perhaps that's not always how it was intended. When calling small very sketchy companies (such as my last landlord before I bought somewhere to live) I ask for permission and hang up if they refuse. Oh you don't want your words recorded? Fine, you're getting a letter, hope you weren't in a hurry.
But Chat Bots often provide a "Save transcript" feature, or even default to emailing you a copy if you're in a Customer Service type environment where it knows your email. So those are both a lot easier than setting up call recording.
Yes. iOS and default android are really doing a disservice by blocking call recording when in this day and age most real phone calls are done towards corporations or non private settings.
But Chat Bots often provide a "Save transcript" feature, or even default to emailing you a copy if you're in a Customer Service type environment where it knows your email. So those are both a lot easier than setting up call recording.