You mean Youtube's infrastructure? Don't worry, Google and Youtube are rolling in enough green dough thanks to those very ads they are serving. They can afford all the infrastructure they need and the engineers to build it.
How? Google made $182 billion in revenue in 2020, of which $41 billion was profit [1] (mostly in ads), and Youtube alone is on track to generate $15 billion of those [2] on an annualized basis (also almost all in ad revenue).
How? Google made $182 billion in revenue in 2020, of which $41 billion was profit [1] (mostly in ads), and Youtube alone is on track to generate $15 billion of those [2] on an annualized basis (also almost all in ad revenue).
[1] https://abc.xyz/investor/static/pdf/2020Q4_alphabet_earnings... [2] https://www.theverge.com/2020/2/3/21121207/youtube-google-al...