Why is the matchmaking getting worse in EU?

At first I thought it was just me, especially because the queues are a little less longer. I thought the situation could only remain the same or improve.

But from what I read, it seems worse than before. Many people can’t even try the dungeons, before you could after multiple attempts to enter (even if it was way too long and painful). But now we can’t even enter during primetime.

Why is it worse than before? Thanks for the answers.