Perhaps offering ways to protect yourself will give you the courage to push on --
* back up your computer!
* copy the folder(s)/files to a safe place outside Adobe folders; or rename the folder, e.g., "Old CT Font Cache"
* Delete this font cache file, knowing "Photoshop [will] create a new one," as the Adobe site indicates.
from the Search Assist (AI) tool in Firefox:
"The CT font cache on a Mac refers to the Core Text font cache, which is a system used by macOS to manage and speed up the loading of fonts. It stores information about the fonts installed on your system to improve performance, but can sometimes become corrupted, leading to display issues with fonts."

(All six versions of Ps on my system have the CT folder)