Found it
[href *="discord"] {
background-image: url(https://static1.squarespace.com/static/620d1b923f98bd3b17c4e5e4/t/6214e9d1557793739d0354cc/1645537745675/discord.png);
background-size: 100%;
background-repeat: no-repeat;
}
[href *="discord"] svg {
display: none;
}
The point still stands, are Squarespace lazy, understaffed or don't care?