You still have to deploy to Lambdas. I believe the post you're responding to was alluding to the degree to which a lot of single-file PHP/HTML is written in a

You still have to deploy to Lambdas. I believe the post you're responding to was alluding to the degree to which a lot of single-file PHP/HTML is written in a very "serverless-esque" way: no dependencies on an outer framework, and likely scales quite far compared to other languages when run on any number of servers (with the required libraries).