Tools used for art often get irrationally preserved for the sake of it. For example I have had a conversation with more than one person (well 2 but still) who believed unironically that the wiring inside vintage guitars and amps must be coated with asbestos insulation or it would change the tone/texture of the sound.
I hated the dialects of Pascal we were using at school in the early 1980s because they didn’t really support systems programming but after I got a 286 machine I got into Turbo Pascal which did have the extensions I need and that I preferred greatly to C but I switched to C in college because I could write C programs and run them on my PC or on Sun workstations with a 32 bit address space.
I have a feeling that much of it was translated to C or C++ at some point for portability and maintainability reasons. There are several automated Pascal to C translators out there, such as the following...