bug#50733: 28.0.1; project-find-regexp can block Emacs for a long time

[Eli Zaretskii]

> Cc: 50733@debbugs.gnu.org, mardani29@yahoo.es
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Fri, 24 Sep 2021 18:50:20 +0300
> 
> FWIW, (project-find-regexp "O_CREAT") takes about 130ms here.

"gid O_CREAT" takes 46 msec, and that's on MS-Windows.

Do we really need to keep this silly argument?  Every tool has its
advantages and disadvantages.  When used correctly, you will have only
the advantages and none of the disadvantages.  Can we agree on this
and move on, please?