Then people will connect their fake image and LIDAR feed to where the CMOS is connected. Like always with half-baked digital attestation chains, laypersons will argue "Oh, but who's gonna do that?" and the reality is that even private modders and hackers are perfectly willing and capable of doing this and will jump on it right away, and if it's just for the fun to distribute a certified picture of an alien giving everyone the finger. Of course, tamper-proof designs would be possible, but they are extremely expensive.

On a side note, the best way to attack this particular camera is probably by attacking the software.