TheHoth SEO tools

Are these accurate in your experience?
Or am i perhaps reading the importance of the metrics incorrectly?
For KW research tool, I am seeing certain KWs have a 0 CPC and 0 comp score.
That would mean the KW should be easy to rank, right?

It just would blow my mind if some of the KWs Ive looked up are "easy", though others I expected to be hard are for sure hard. SO im just wondering youre feedback on the site, and if I am correct in my assumptions here, thank you

A little more research and Im seeing that since say there might be 300k results, but 5k searches, the KW would be hard to rank, so whats the point of the Comp score? Ive read the cop score is an overall score of how hard it would be to use that KW?

Sorry I know its a beginner question but I am trying to make sense of this all.