If you use your computer once a week to check your emails I understand that it's just a waste of time. If you do more, long-term investments such as these might be worth it.
Now I agree that a more integrated experience out of the box would make the learning curve more gentle. Some have mentioned Regolith, it looks like it would be better for you than plain i3 (I haven't tried it personally so I can't judge): https://regolith-linux.org/