They should have delayed the game 6 months to a year. It was a huge mistake launching in the state it was launched, and particularly without mod support as that was a key to Cities 1's success and longevity.
Now they're stuck trying to fix performance issues and distracted by the delayed console launch which is also likely to be disastrous.
Why did they do it? Likely so Paradox could bank the sales in the 2023-2024 financial year. This is the problem with companies run to please speculating stockholders who only care about the short term share price moves and it going up all the time.