For the sake of others the rant of his continued as follows
Maple's phenomenally poorly designed and implemented user interface is driving me back to Mathematica, which is bad. Maple even worse.
amazingly bad. I'd laugh in the clown's face who made this user interface, and his manager's face and his manager's manager's face. What a disgrace.
To which I replied, with the addition of a link to this thread which I did not notice.
Bad user interface? So instead of a blanket statement, tell us what's wrong with it to back up your suggested claim?
I see just now your rant https://mapleprimes.com/posts/213014-Maples-Userinterface-Deters-Me-From-Doing-Math
Probably the part I might agree with him slightly, is the fact that it is Java.