(as usual I write with google translation.
I'm not speaking for TCL.
The update support I want can be available in a debian-based structure.
In this respect, dCore is unfortunately far behind in some respects.
If you look at the list below in summary
https://distrowatch.com/search.php?category=From+RAM#simpleTCL was unique! dCore didn't get enough success
Antix easily uses debian repository support
and at the same time passes forward with MX-Linux!
MX-L is in the first place and Antix is in the second place.