1. Is that really a drawback?:) If you dislike it so much, some particularly good casual games are released as full-fledged games on discs.;)
2. Yes, casual games are often called "time wasters." But there are many large games that also deserve that title...
And in general, if you think that way, then nothing but office programs should be on a computer.
P.S. But you need to present your opinion correctly.;) Yes, you definitely overdid it with the exclamation marks.