Not at all. Most tech startups (if not all) are unprofitable at IPO. Plus they have to make their finances public, so it's not something that was a secret before.

Do you have any numbers?

W biurze można jeszcze komuś poprzeszkadzać, w domu to nieproduktywność jest trochę ograniczona

Not really a good point. Servers, bandwidth and employees cost money. Even if content is generated for free, those things cost money. A reasonable price is totally fair for an ad-free experience.

Or a diet coke