The rise of computer production, cracked software and plugins definitely had a lot to do with it. Before you'd get one main piece of hardware, study it inside out and make it sing. There were nuances and subtlety you had to dig to find out and work within the constraints that pushed creativity to its limits. Sure it was a bytch but she birthed inspiration, repeatedly. The point and click era saw people just shovel on presets, premade patches, loops etc.. and made the barrier to entry too low so everyone thinks they can make a beat. Throw in AI structuring and the Formula and you've got everything sounding the same.
The net just added to the half cooked beats pushed out because gone are the days of working on track in the lab for as long as it took to get it right. Now its just on to the next one and you hear so much that could've been so much more. On the flip you also hear stuff thats way overproduced as well.
Its odd how chewing gum like music has become with an intense hit but no replayability beyond bumping your gums.