You are certain of this, are you? Based on what? Do you know of anyone who has pretended to be gay to get a job? Do you have any evidence of anyone you don't know pretending to be gay to get a job? Roughly how long do you think it'll be until it is indeed compulsory to be gay when applying for a job?
I'm not saying that what you said is inflammatory nonsense - you are certain, after all. Plus, it seems strange for someone to make up their mind about an issue based on emotion or misinformation rather than reason and fact.