In August 2020, the TL3 requirements were made much easier. This is something that I advocated for since nearly the first day of the new forum. See:
I want more posters to get the benefits of TL3 not less. The perks of being TL3 are modest and the requirements are now more straightforward and easier to achieve.
What I wrote is not a “demand” but clearly stating a simple preference given that the dislike button came back in the context of the number of dislikes was stratified by trust level as you suggested.