Making money on Youtube is beautiful, but you absolutely lose your privacy. At a certain age, it's okay, but with partner, children, this can be a problem. Man never knows when Youtube may end, so it's always better to have a normal job.
Besides that, you need to put on a greater amount of work into making those videos and for them to be entertaining, well done and informative. It's a double edge sword, it can backfire anytime and may not even take off and with todays youtube situation, it's getting harder and harder to make money or yet alone make a living from youtube.
Yes, it's very hard work. People need to be interested in something. In addition, you need to constantly advertise your channel. And for this you need to invest money. I'm not sure if it's profitable