Keyboard failure issue on Chromebook

My Lenovo Flex 5 is typing out all of the bottom row keys like zxcv when I press the C key. This appears to be a keyboard short of some kind. No liquid was spill on it, but perhaps dust and such got underneath the keys. Maybe it's due to a different issue.

In any case, I did try to blow it out with some compress air, but it did not fix the issue. I could replace the keyboard but that seems super tedious and I might bring something taking the whole thing apart.

I notice that several other computer online has a similar issue. How do these fault develop and are certain computer more vulnerable to this type of fault. I have not encounter this type of issue in the past.