The above image state some bitcoin's Dos and don'ts which I believe applies most specially to bitcoin newbies, I can personally agree to everything mentioned in the Dos, but in the "Don'ts" section, my exceptions lies with dot 3 which state "Don't reuse wallet addresses".

My thought is that, the reason for this rule is for privacy concerns, but then, I might be wrong, so my question is "are there or is there any security issue(s) related to using or reusing a particular or one single bitcoin wallet address for a very long period of time?

I asked cus I know many crypto friends (including myself) who have been using one bitcoin wallet address for over a period of one year now without issues, so about you and what do you think of this rule?