Courtesy of Paul Spector (son of animator Irv Spector), here is a really interesting article by Chuck Jones from 1964. I don't believe it's ever been reprinted. Certainly, it was unknown to me. The article comes from program notes for a screening sponsored by ASIFA.
The article is worth reading for Jones' view on the state of the industry during a major transition. This was the second big industrial transition for the business (the first being the introduction of sound) and for most of the veteran animation personnel of the time, it was the first big shift in the business since they joined it.
We've been through a lot of transitions in the last 15 years (the collapse of drawn animation, the growth of cgi, the introduction of 2D software like Flash, increased globalization, etc.), so it's interesting to see how Jones viewed 1964. He fought a losing battle, first trying to reinvigorate theatrical shorts at MGM and then retreating to TV, but fighting to work for prime time with its higher budgets rather than for Saturday mornings.
While he justifiably casts stones at UPA and Hanna-Barbera, the irony is that Jones didn't do much with the opportunities that he found for himself. His timing and posing became increasingly mannered and his TV work became dominated by dialogue. While he cursed the darkness, the candles he lit didn't burn very brightly. He obviously had hopes for the future, but the truth is that his best films were already behind him, just as they were for UPA and Hanna-Barbera.