No, not at all. I heard it first from a dentist and its quite common, well more common than would be expected. Its also perfectly safe, if your nose becomes congested you rip it off in your sleep.
It fixed my apnoea and chronic sinus issues. Seems I was constantly developing nasal polyps from mouth breathing all night.
Dr. Li does surgery for sleep apnea. I was referred to him once for evaluation for a surgical procedure only he does (EASE/TPD) and which I was told that the referring doctor had seen a lot of effectiveness in improving sleep apnea in their patients. He seemed like he knew his stuff and was very up-front about being conservative about making predictions in my case.
I would be a little sceptical of someone whose whole career is based on nasal surgery to fix apnea playing down a simple non evasive alternative. He lists zero studies to back his premise of it being dangerous.
It fixed my apnoea and chronic sinus issues. Seems I was constantly developing nasal polyps from mouth breathing all night.
Here is a dentist recommending mouth taping:
https://askthedentist.com/mouth-tape-better-sleep/