Interesting I did not know that.
File search is really awful on windows for no reason at all. Your complaints about commandline utilities is not accurate though.
Windows has native powershell equivalents to both grepand tail. You use Select-String instead of grep and Get-Content -Wait instead of tail.
The videos by suckerpinch are always a treat. I can also highly recommend his video about filesystems that store data in difficult ways, for example by playing Tetris in a NES emulator and using the arrangement of the tetris blocks as data store.
They will boil that frog slowly. Soon there will be an alternative subscription with a discount for previous license holders. Then they hide the option to buy a perpetual license so only people who spent time to search for it can find it; and finally they will remove the option completely and claim that they did that because "Nobody was buying it".
Haven't heard anything about a fiasco, the KDE 6 upgrade went smoothly for me. I just use Polonium for my auto-tiling needs.