

It should be configurable to limit draw and depending of SoC, and it should be compensated. But it should be possible.
If you are connected to the grid you participate in the grid. You shouldn’t be allowed to avoid it, unless you go off the grid entirely.
Once in my shared apartment, while I was in university, a guest of a roommate was dumping a lot of rubbish in the bin, and I pointed out we had baskets for recycling. “Yeah, but it takes time to separate the parts. Do you think [CEO of a huge fossil fuel industry in my country] does that?”
I didn’t know how to answer that.
The CEO went to jail a few years later.
Edit: nope, it sounded too good to be true. He didn’t serve time. He is still a CEO of something else. FML.