There is some rearrangement and some tasks seem slightly less convenient with W11 than W10, like the one extra click to change from headphones to external audio, or to access little used programs that you haven't pinned. But there are also notable improvements in the ease of access and appearance of using a single hi res monitor, better security and a general higher minimum feature set for a higher min hardware requirement. My midrange hardware appears faster and better with W11 than W10 even if it benches the same.
W10 is basically W8.1. That was released in 2013. The pc hardware the typical user has is much better now than back then.
It seems that MS is just trying to update their os to match that. A ton of people are using hardware that supports x64, uefi, secure boot, tpm, 4GB or more of ram, 64GB or more HDD, more than 1 core, DX12, etc.. My 4670k with a plugin tpm supports W11 preview just fine. If you have some antique system that doesn't support tpm, pcie, ddr2, etc, W10 is still supported until 2025.
Let the rest of the world move on.
As far as the UI changes, it seems they are putting a lot of stuff on the table and seeing what can be improved and what people will regard as a reason to choose W11 over W10 and everything else.
If they don't look they won't find better. It's not like they will change how W10 or W7 looks.