They're not.
More and more each year, people on the right refuse to take part in polls. These polling companies will not tell you how many people told them to pound sand before they got to their sample of 800. It could be as many as 500 or even 1000. Not counting the conservatives who refused to take part is resulting in polls that are skewed to the left.
the missing red wave of 2022 doesn’t support your assertion.