It's actually the opposite, modern mode uses gpu for compositing, classic modes uses cpu, and any gpu would beat cpu handily in that task including integrated ones.
Unless, you didn't install the correct driver and used standard vga driver, or like in a vm which doesn't provide gpu acceleration.
All valid points but just below that comment someone asked if he/she was reading the new paper (apparently there's an older paper), he/she didn't respond/haven't responded yet.
1 router, you'd probably argue this doesn't count, but my router is debian running on consumer computer hardware, with custom vpn and routing.
1 file server, this one is not strictly at home, since it's located in my company's server room for the bandwidth, but I mainly use it at home over Internet.
I don't normally care about the author's gender, but I'd argue assuming that is a man is a honest mistake, as long as women in the tech industry is still a minority. Do you really need to go that far? I think that shows how fragile you're.