They're "massively profitable" because they're laying off large portions of a major cost center - labor - and backloading uncoming data center construction costs. As those come due, and labor needs rise again, that profit disappears.
They have a track record of cornering a market and abusing their position, and also still somehow not being able to balance expenses and revenues to turn a profit that pleases shareholders. You get to decide if that's a problem with the company or the shareholders, I guess.
Microsoft - 14,000 (multiple rounds); significant
Meta - 600 layoffs; insignificant for company size
Google - "Several hundred layoffs"; insignificant for a company size
Apple - No layoffs
Source: https://techcrunch.com/2025/10/24/tech-layoffs-2025-list/