The real answer is they are likely having a hard time converting people to paid plans
That's a very weak moat unless you have something else like the friction of network dependence similar to a social network.
You have to bring value that goes beyond the source code and hosting, otherwise your clients are going to vibe code a custom solution instead of paying you.
How many things do you want to be responsible for? How many vibe coded projects do you want to maintain?
I think this line of reasoning is overblown. Just because you can doesn't mean a significant number of people will. I think the 3D printer comparison is apt.
This company does not seem healthy at all:
https://getlatka.com/companies/calcom
I agree with the other poster that mention this is likely a publicity stunt but all it's really showing is that VC is still incredibly stupid with their money. All the more reason to seize it from them then properly fund useful software and not subsidize vanity projects for stanford grads.
People can one shot to the moon, if the input and improvements can't be sustained, it goes sideways. Still an exciting space.
Do it then