Your point would be more tangible if it was something that occurred over a year ago.People shouldnt be judged based on the past especially if they learn from it.
There are also things in your past you will absolutely be judged on, it's quite literally human nature - There are literal wars today and justifications of said wars based on the past.
On a more relevant note, your past actions affect how everyone in the server looks at you. You may disagree, but even past affiliation with known blacklisted players gets you put on a watchlist in the server.