I can't answer from first person experience, but can tell you it definitely was hard on my kids when I moved them out here. Kids up to an age/point are oblivious to things like 'it's too hot' or politics. And they don't care about your epic scenery. Mine were 10 and 8 during the move. The 10-year-old took it pretty hard. Due to timing, we also left after the first semester of his 5th grade year. I was not going to move them after Middle School started for them. Those first few months were rough, and then just as things were getting a bit better, Covid happened and the isolation got bad. Remote schooling was not good for them, either. That said, things got better. They've both told us they're happy with the decision. But it took time to get there.
The other thing that helps is happier parents are better parents, imo. So, while they didn't understand all our reasons, they didn't get 'grumpy Dad' anywhere close to what they got in Texas.