Thank you Olafur and George for your answers.

I am using Gnome, so that is not the issue here.

Doing: 
sudo mv /usr/lib/udev/rules.d/61-gdm.rules /usr/lib/udev/rules.d/61-
gdm.rules.bak

Worked for me. I get gdm with options and Wayland by default. I'm back
in business thanks to you.

I however did follow a bunch of other instructions and now I don't if I
should undo any of them. These are the things I did, in case you can
provide some input:

1. echo "options nvidia-drm modeset=1" >> /etc/modprobe.d/nvidia-
options.conf

2. echo 'GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX nvidia-drm.modeset=1"'
> /etc/default/grub.d/nvidia-modeset.cfg

3. # systemctl enable nvidia-suspend.service
# systemctl enable nvidia-hibernate.service
# systemctl enable nvidia-resume.service

4. echo 'options nvidia NVreg_PreserveVideoMemoryAllocations=1' >
/etc/modprobe.d/nvidia-power-management.conf

5. apt remove xserver-xorg-video-intel. (gave me an error on one boot
(wifi?) but the error didn't come up in subsequent boots).

And finally I did:
6. sudo mv /usr/lib/udev/rules.d/61-gdm.rules /usr/lib/udev/rules.d/61-
gdm.rules.bak

I can try renaming back the gdm.rules and only commenting out the gdm-
runtime-config, if that is what you recommend?

Should I undo any of the steps listed above for some reason?

thank you,

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