The plugin-landscape in Wordpress is plagued by bugs and ads, some spamming you to update or pay for a premium version. That is not something you would accept for professional CMS solutions.
If you consider yourself knowledgeable in SEO, then learn to walk the talk and stop relying on phony third-party plugins!
SEO is such a small part of owning a website, and ideally, any technical SEO that is needed should be integrated in the core CMS by developers and not fiddled with at random by clueless bloggers or SEO gurus.
Since Wordpress is such "crapware" out-of-the-box, you can easily create a Yoast replacement plugin to handle what is really needed. The rest is just useless bloat and clutter.
I would not touch Yoast in my wildest dream. It is totally redundant for people who can code themselves.
Not really, it saves time. I have my own website and I am a profesionnal developper, but I don't want to spend time learning wordpress programming. The few things I had to code for WP was very off putting.
The cynic in me wonders why such basics are not already included by now?
He likes to avoid bloat and keep things modular. That's not a 'strange' philosophy
You can run a perfectly fine blog using core.
There are certain plugins that deliver so much value that developing and maintaining them yourself is nonsense for most devs out there. Unless your agency manages thousands of plugins and you have some very specific needs, you don't need to re-implement everything from scratch. Even then, it's probably far cheaper and easier to re-use their GPL code as the basis for a less bloated plugin rather.