You have to change the wheel of your car. Why do you use the provided and adapted car jack for this purpose rather than a piece of wood?

Here you have the best reasons --> Justifying Learning Linux For Bioinformatics (@Ido Tamir's answer) ;)

Nowadays, you can choose to work with Windows operating system. But without the terminal environment of Unix systems, you can not be as efficient as Unix workers (Or you will need Cygwin! :D).