You noted in a comment that the pcscd service starts another service pcscd.socket. You should edit the question and add this important information to it. With the command
rpi ~# systemctl enable pcscd
you have only enabled pcscd.socket as you can see at the link to enable the socket service:
Created symlink /etc/systemd/system/sockets.target.wants/pcscd....
How can Rpi4B talk to Midas 10" I2C CTP/RTP TFT HDMI monitor MCT101HDMI-A?
/ to continue, ...
It appears that you need to connect three cables from Rpi to HDMI monitor, not just one HDMI cable, as for ordinary HDMI monitors. I guess this is because you monitor has a touch screen, so is actually a HAT, with 40 pins connected to Rpi.
There is a good whitepaper here which describes in detail the differences between Yocto and Debian(Raspbian is a flavor of Debian).
From the whitepaper, the gist is:
Debian is good for fast trials, proof of concept and desktop like
environments on hardware already supported by Debian with large
memories and limited requirements for maintenance, ...