Experts need the freedom to employ the set of tools they work most effectively and efficiently.
Experts know how to analyze problems and find solutions for solving them. Part of this work is to employ the right tools to find a solution effectively and efficiently.
Often companies demand to use a set of tools defined by people that do not work with them or do not work with them on a regular basis.
Nobody would probably urge a software developer to use office products to write software code. A manager or technical writer should not be forced to use some fancy markup language.