One of the criticisms people have with containerizing their desktop apps is the "insane amount of space for their environment" that people think it requires. That's a direct quote from a reddit post on the topic from today.
Let's have a look
Today I'll compare two desktops, one will be
Flatpaks aren’t huge at all. This is a debunked myth. I can’t recommend reading this article enough.
Doesn’t sound like you shiuld care about one or two gigs 😅