macOS Big Sur - iMessage problems

1) Not sure why you decided to change the color of the icon to green. What was wrong with blue? This is the least important.

2) In order to delete a message, you can no longer click on the "x" in the left section. You must right click, then delete. Why did you remove this feature?

3) When I want to compose a new message, I go to the "To" section and start typing the person's name. It autocompletes, but when I hit "return" or "tab" from my keyboard to select the name, it disappears. I must now select it with the mouse.

4) When someone wants to screen share with me via iMessage, I get a notification in the upper right corner. Prior to Big Sur, there was allow/decline, I believe. Now we have a dropdown to "allow/decline/ignore."

I find these "features" way more annoying than helpful.