Yes, more people who want to, can do the job today without needing a PhD.

However, most of the people who want to do the job want to do it because they heard Google pays six-figure salaries for it. But Google pays six-figure salaries for the job because it takes a PhD to do it right. When the job becomes a job that everyone can do, Google won't pay six-figure salaries for it any more - to PhDs, or anyone else.

At that point, once more, you'll need a PhD to do a job that Google pays a six-figure salary for.

The goose that lays the golden eggs gets killed over and over again. Some people get in early and get a golden egg. The rest are left to suck ordinary eggs and accuse the others of cheating.

But, who was it who killed the goose in the first place?