Considering that many people generate public keys non-stop, I guess some private keys are better to be avoided, for example private key 1 or the maximum key value allowed. Are there any general rules for checking that you private key is safe in this terms i.e. how far it is from the both ends of the range for example, or from the middle or with a few zero bytes in it or with a simple pattern that might attract people picking up keys?

The same question about seeds that are used to generate private keys: are all seeds acceptable or are there some checks in place?

Thank you!