Even renting, moving for work is ridiculous. If you work in The Metro Area (whichever one that is) jobs can be all over the place. Wherever you move, most of the jobs are not there. Not to mention the expense of moving; I wonder how long it takes to recover the cost of a move?
Add a family and kids and now you're uprooting everyone in your house from their schools and relationships and jobs.
And selling a house is a pain in the ass and is a huge commitment.
Which would be fine if there was job security, but in this day and age, you won't be working for a single company your whole life