Hello there! We totally understand how detrimental controller drift can be for your VR experience. No worries, we're here to help! First, let's gather a little information...
In case you are unsure how to unpair/re-pair your controller, click here. If you would like further assistance over email, feel free to submit a ticket here and one of our team members will get back to you as quickly as possible!
It's stick drift, most of the Quest controllers have this problem sooner or later (mostly "sooner" actually... terrible hardware quality).
Be aware that this scammers are not replacing them, once you ship them to RMA, they will stop reply to you, and you are stuck without the chance to use the headset for months. Many people in this situation.