Personal data collection

Of course. You would be banned if you tried to connect to any a Nintendo services while not on the official firmware.

A Steam Deck is also double the price and not something that a lot of people might have just lying around.

They are encrypted in transit but not E2EE unless the developer handles that themselves.

This is normal, the codes are calculated based on time. It should have a infinitesimal impact on battery.

Projectivity Launcher ftw