I will just give you a quick reply on this, as this thread is not about comparing different streaming services.
Compared to just browsing the regular YouTube, as you are talking about, Tidal is a dedicated music service. If you at least had been talking about YouTube’s dedicated music service, called “YouTube Music”, the services could be compared to each other, but to get access to “YouTube Music”, you must subscribe to YouTube Music Premium, which cost about the same as a subscription to Tidal.
Tidal streams music in lossless audio quality, which YouTube doesn't. Regular YouTube streams sound in lossy low quality at only AAC 128 kbps, and if you subscribe, that goes up to just AAC 256 kbps. Tidal steams CD quality (16-bit/44.1kHz, 1,411 kbps) and up to Hi-Res quality (24-bit/192kHz, 9,216 kbps). That is a significant difference in sound quality between these services.
Even if you use an Add blocker, I doubt streaming an album with regular YouTube can even do gapless playback, well, unless the album is put together as a single audio file.
And how do I even get listening to a full album to work, using the regular YouTube, if I’m on-the-go listening to headphones while biking to my work? I can probably find a way to let YouTube play in the background while turning off the screen on my phone, but will I get to hear the next track on the album when the previous track has ended?
I think I stop there even though there is likely way more things to add to the list why I use a dedicated streaming service for my digital playback. If you want to discuss this further and have more questions, you should probably start a dedicated thread, or maybe just read up on the subject a bit more if you are truly interested in learning the differences.