How is been running for almost 20 years, most of them with very few ads?
Investor money, then Google money. Video streaming requires fuckloads of storage and is a HUGE bandwidth hog, especially if people want to watch stuff at 1080p or higher resolutions. Youtube is a money pit, but it’s a major and nearly untouchable internet power, especially given its size and reach.
And it’s just the latest few years when they are pushing these aggressive techniques.
The “easy money” from loans with very low interest rates has dried up, also Google being Google.