Pretty sure all of that does make financial sense: - Being able to write 4k will bring people in to re-watching/watching the show for the first time. - Redoing the CGI, etc., would have cost a lot of money. - Very few people will cancel their subscription or stop watching because of stuff like that - So in the end, no one cares
I.e., it makes financial sense to do the minimum possible. Sure, if this were a project you care about, if it were your company that you are also emotionally invested in and maybe proud of, etc., things might look different. But your actual customers are shareholders, which in the end are predominantly giant ETF brokers and pension funds, that don't care about anything else but what your stock price looks like and whether you are in the S&P500. They probably don't even know what your company is doing.
Sorry, rant over ;P