Earlier quoted context omitted.
If those "variety of services" are worth anything they should remain popular. There are countless ways to advertise them to people. I'm guessing many devs who were regularly browsing their documentation had ad blockers anyway.
Typically here's how it worked: Company creates a free core product, possibly open source, etc. Company creates rich help docs and other useful resources. Customers who use their core free product are frequently engaged with the company and it's helpful resources. Said company offers additional services such as coursework, cloud services, analytics, etc. Since customer knows and trusts the core free product, and know…
This isn’t the problem. The problem is that you don’t need to pay for (or care about) their services when an LLM can easily replicate them.