I agree with many of the other posts.
All My Files was incredibly helpful, and it is quite disruptive to have it suddenly taken away.
If I scanned a file or downloaded a file, and didn't know where it was saved (or didn't want to navigate many levels to find the file), I could simply open up All My Files and look at the most recent files.
It couldn't be simpler or more useful.
While you and others may not find it helpful, perhaps because of different workflows, it is clearly a concern for many users.
Thank you for proposing a solution.
However, when I tried it out and set Kind to Any (following your instructions), no files are listed.
If I switch from Any to other types such as Document or Text, it shows large numbers of files.
My preference, and I believe the preference of large numbers of Mac users, would be for Apple to bring back All My Files. If there is a performance problem on slower computers, they could set the default that All My Files is not listed/available, and the user has to intentionally choose to activate All My Files. They could provide a warning about performance issues at that time.
Until this is provided by Apple, perhaps you have other ideas/instructions that would work for the rest of us.
Thank you