Like all Socialism Social equality also involves taking something from someone who is talented and worked hard to get where they are to give to someone who isn't and didn't, because equality is more important than reality.
Or simply giving them a chance to at least get to the interview stage...
There have bee massive numbers of studies and research that shows if you give someone a list of resume's without any names or other personal information you'll get X result, if you give them the same resume's with personal information you'll get a massively different result (frequently with those resumes that suggest the person isn't a white male doing much worse than in the blind test.
That's just getting invited to the job interview, let alone getting the job, or how you're treated once you're in the job.
Brunsy's example of how you don't realise what problems someone may face when you're not in that group if quite a good one.
You just have to look at some of the threads and posts on this forum when it comes to disabilities and people showing how ignorant they are when they can't grasp why you can't just have one car for every disability type, or why it's a really good idea to design and build things that are meant to last decades with the disabled in mind (for example why it's a really good idea to build houses with doors that are wide enough for wheelchairs and don't have a high step).
There are fairly serious issues in the IT industry (or at least parts of it) with how women who enter it have been treated and it does put people off entering it when they see how others have been treated badly, which shows you going on about giving jobs to the less skilled is bunk, as you don't know how many excellent people have been forced out at an early stage by the behaviour and attitudes of idiots, or simply decided they didn't want to face that (having seen it or heard how people they admire got dealt with), and decided to do something that they weren't as good at but could do without the harassment and idiocy.