Having been involved in debates on operating systems in lab environments in science I know how it could be. The killer thing in switching from Windows to Mac in one for eg was that the then latest automated dna sequencers only ran on the Mac and the analysis software likewise. We had just got rid of the last windows box when the head of animal services who had been tasked with replacing the paper animal ordering system with an online one which was 'platform independent', an intranet web app we thought came back with something he had paid his nephew to do. It was a windows only program. We had to buy a windows box whose only function was ordering animals. It did nothing else.
A lot of stuff in Biology was Mac only, I suspect because it was very visual. We dealt in pictures, graphics etc (a dna sequence came as overlaid multicolour waves one colour for each base with the sequence, editable above showing what had been called). Also scripting in Java on the Mac was seen as making it easy to develop apps.
Now the youngest who is in bioinformatics just uses her Mac to telnet into the mainframe to run large genome sequencing and analysis runs on large capacity servers using the command line. She is one of those who prefers the Terminal to the Finder us dinosaurs use.