Pixel and Samsung also have 5 years of updates promised. And more phones are giving at least 3 years. I don't think most people nowadays are hanging onto their 5 year old phones. Most everyone switches phones every 2 or 3 years.
And your app is still 100x better than theirs even with all their resources. To think the CEO gets pissed off that users prefer yours over theirs even though they have no reason to make an app that bad.
Ken is the name of the atom bomb in this, isn't it?