Haha, I equally like Mullvad and IVPN, no need to switch if you enjoy Mullvad. I experience better speed with IVPN though.
In terms of privacy, I was not able to find any leaks with both services, but I am not an expert.
No, I mean the fact that Mullvad is based in Sweden and IVPN is based in Gibraltar, which is a dependent territory of the United Kingdom.
I am surprised, but IVPN much faster when I was connected to Swiss servers. The ping was almost double with Mullvad (constantly) which means I could stream much faster with IVPN.
I tested multiple servers in Europe (other than Switzerland) and I couldn't see notable differences in speed.
For me, IVPN is significantly faster when I try to connect to US servers. European servers are slightly faster but nothing gamechanger. Actually, NordVPN has been the fastest for me. I've tried all of them on gaming and NordVPN was the beast, my ping was very low there.
I recently discovered that some countries aren't monetized by Youtube. That means no ads

I found that loophole too but recently, I even see ads on such locations.
Cool, I didn't know that. To be honest, we have a paid subscription with Google (my wife), so the ads don't really bother us because we 're connected with her account. But definitely, your point should be important for the great majority of people.
Turkish accounts solve every problem easily

For years, I was okay with ads, as I understand websites need to earn something, but "they" went completely overboard and now I'm done seeing ads. My browser has blocked millions of them, which kinda proves it's too much.
What YouTube does is really ridiculous. Ads after ads, without a skin button. I hate to see videos on YouTube. Now I use TikTok, I mostly watch UFC fights and there are no ads and it feels so much better. I know that TikTok is bad for privacy but anyways, it is what it is

Use a different smartphone for that when I'm at home.