Other than Apple music and iCloud, they’re generally less intrusive about popups than Microsoft. Their tactic is to completely prevent competitors from integrating with the system at all rather than nag you to use a setting. For example, there’s no way to use Google maps or Spotify in all the same ways you can use Apple music or Maps.
“welp” isn’t related to whelping. It’s a way to write the word “well” when it’s used as an interjection (meaning it has no definition). The word is often pronounced with a terminal -p and people started writing the letter in text.