ECE student here, I'll echo what others have said. I'll add that for me I've noticed lectures are next to fucking useless.
This varies massively with where you study. The top colleges generally attract the best talent, and the best places tend to have the best lecture theatres. So, you generally hear good things about lectures from people who went to the top colleges (we only had serious complaints about one lecturer, and I don't think any of the teaching rooms were bad), and the complaints go up rapidly as you go down the list.
College level teaching is weird. To teach in high school you need to attend teacher training college, and demonstrate the ability to get a point across. To teach in college you only need to demonstrate that you can do scholastic research. Your ability to teach is never tested.
I can't in anyway disagree with what you said. Or even agree, as I have never been to another university lecture. Despite anyone reading this most likely not being a professor I have taken, and them not knowing who I am. I have to say that I did not think the professors did poorly. I came out of lectures knowing some stuff.
MY issue with lectures is that sometimes I am not in a learning mood when I go to them. Not only that, sometimes I don't know what subtopic [z] about topic [y], for which we are learning, I am not understanding. So I can't even ask a question. Maybe I should anyway and let the professor finagle it out of me, but I am not okay with that.
If I skip lecture, I can learn when I am feeling productive, and then keep going. The worst is say, I go to lecture and am not feeling productive, I don't learn shit, and I have wasted a bunch of time in the day. Another scenario is I go to lecture, and I am feeling productive and am readily absorbing the material, all of a sudden the lecture ends and my momentum is lost because I have to go another lecture (change of topic) or I have to wait. Upon waiting I'll probably get distracted by some pretty girl or by someone talking about pop culture bullshit. If I am at home, I can just continuously study, without distraction.
What I am saying is that my disliking of lectures has to do with how I have determined my energy levels work. I would describe my ability to be productive as having a large amount of inertia. Its hard for me to start, but once I am going, I can go, and go, and go, without tiring. I've noticed this with labor jobs I have had. I'll regularly skip breaks and lunch (at the very least, grab my sandwich and eat it really fast as I am heading back to work) and keep working because I know, if I stop, my ability will be work will be lessened and I have to gain all that momentum (motivation) back.