Their CTO restores vintage laptops, still runs a Minitel, tests prime numbers for fun, programmed a KIM-1 with a hex keypad as a kid, and fixes hard drives with woodworking tools:
This is my general opinion of publicly traded companies, i.e. the primary product is their stock, but I personally haven't seen anything out of the ordinary with Cloudflare compared to other big tech companies.
I wouldn't say they aren't engineering companies though. There's plenty of engineering that goes on there, its just no longer the top priority once the company has gone public (same to some extent with VC investors).