Quote from their page:
"We already had COVID 3 months ago therefore we have the antibodies that protect us."
Bullshit. Nobody knows how long the antibodies last, and it is possible to get COVID again.
So until they are both fully immunized, it is beyond Caveat Emptor.
Stay careful and take precautions, people. We are almost to the light at the end of the tunnel. Let's not make the tunnel any longer.