All the reasoning is BS. They just want to cut the middleman and keep all the earning which is totally fine but don't insult our intelligence and come up with ridiculous reasoning.
I can't talk for others but according to my experience I found that getting high quality Python/Django developers is much easier than PHP. Someone would expect the situation to be the other way around due to the larger PHP pool, but it's not.
That's normal don't let the online video tutorials fool you. They have it on another screen or a paper to make you think they are super genius by typing long snippets of code without even a typo.