Social media in general sucks. It's full of people with attention-seeking problems, scammers, or groups trying to indoctrinate you for political or commercial purposes. Social media platforms exist primarily to steal and sell your personal information to advertisers since that is their only real revenue stream. You aren't the customer, you are the product being sold to advertisers and big data companies.

I tried this before I left Facebook and realized there was nothing left I cared to see.

"Space" technically includes everything in existence, since the universe is made of space-time, but no it is not completely filled with water. The water came from inside the suit's cooling system which is necessary since without air in space heat can only be radiated away via infrared radiation which doesn't work well and would overheat the person quickly. Bubbles escaping from space suits could be various liquids leaking and immediately boiling as they enter the zero pressure vacuum of space, but I've never seen these videos so this is just an educated guess.

Also, gravity and the magnetic field from our planet prevent the atmosphere from being stripped away by air pressure and solar winds. The further you get from the center of mass of the planet, the thinner the atmosphere until you eventually get to a low enough air pressure that it becomes a vacuum.

Ummm, our atmosphere IS the air... It's not some container around the planet.

Gravity and the magnetic field of the Earth prevent the atmosphere from being stripped from the planet by air pressure and solar winds, respectively.

It's probably not about needing to save on costs, it's more likely about artificially inflating profit for the short term. Some higher management probably looking for a good ROI for investors to justify massive bonuses for executives at the end of the quarter. Icing on the cake if they jump ship after the bonus and move on to another company where they do the same shit.