Told a Former Friend I Want to Disconnect - Am I in the Wrong?

Yesterday evening I received a text from an ex friend asking why I removed them from my media. Initially, I wasn’t going to reply because something told me they’d victimise themselves but out of respect and decency I did. I communicated that after long thought and consideration, I decided not to invest in our “friendship” because I’ve outgrown a lot of people, places and things. I went on to elaborate that upon redefining what a healthy friendship looks like for me and the standards/expectations I have for them changing, I have no desire to maintain connections that are unintentional, inconsistent and/or draining. I told them it’s nothing personal but to please discard my information and that I won’t reply because my response wasn’t an invitation for conversation. They agreed to delete my contact but said I was being unfair and inconsiderate to them.

I’m confused because we haven’t seen each other for 2 almost 3 years and have only spoken twice in the last year or so (if even that). If we speak, conversations last no longer than 5 minutes. So much has happened in our lives that neither of us know about, however with the friendships I’ve built with two other trusted people, I’ve decided to allocate what time and energy I do have toward nurturing them because they feel more natural and fulfilling. I’m upset because I do my best to be considerate of everyone even when they aren’t considerate of me. Am I in the wrong for communicating not wanting to be friends? In the situation I AM wrong I have no problem apologising and taking accountability but it feels like I’m being guilt tripped.

The few people I trust surrounding me have always been consistent, communicative, understanding and supportive. They always hold me accountable in situations I’m out of pocket and encourage me to be better. I wasn’t getting that from my “friendship” with this person and at this point it feels like we’re practical strangers because of how long it’s been last we spoke. I intend to speak with my therapist about it for better insight but I just want to make sure I’m doing my part to be an honest person.