Thank you for responding. I’m still skeptical this would be a better security posture.

Attack Surface:

By installing a browser extension (or any software) you increase the attack surface on that device. The less you install, the fewer bugs you might have for attackers to exploit.

Third Party:

Why share your key with a third party extension instead of sharing it directly and only with the site you want to use. Like a bitcoin private key, I would not share it with a third party and instead only input it directly into the wallet I intend to have it.

I understand that an extension may offer features or convenience, but am skeptical that it is a more secure solution.