This is always the response to something like this but the problem is still repression. If every employee's porn viewing habits were revealed, then the employer and customers would have no choice but to still employ you and buy from you unless they want to stop doing business with all humans whatsoever, because all of them enjoy sex, even the employers and customers themselves. They don't even actually care and put on the facade because they feel social pressure themselves to pretent they don't have exactly the same urges and feelings. We can't fire the entire world.
GP has a point. Privacy rights aren't just about hiding stuffs that you may be embarrassed about. It is about safeguarding your personal identity, to protect yourself politically. Due to our tribal nature, we are always constantly judging each other whenever we form a social connection. And political exposure (from whatever source - be it our own parents, our society, our nation, the internet etc.) has created conscious / unconscious biases where some part of a person's personal identity can be a "trigger" for someone to be politically outraged, and even act on those urges. For example, some westerners get triggered when they see a burqa clad women in their streets, and some (especially in the middle-east and Asia) get triggered when they see a woman scantily clad and not "properly" attired. A muslim woman in Dubai may have no problems in wearing a burqa (or, more realistically, in covering her head as culturally required) in her office or a family function, but may like to wear a "sexier" outfits when out in pubs or discotheques. That is her multi-cultural identity and experiments in developing her own personality and identity. But if someone where to violate her privacy, by sharing a photo or video of her in a pub, expressing her sexuality through her style of dress, it could lead to an attack on her based on part of her identity. Take that at a larger scale - a lay Jew or a Muslim may prefer to appear religious amongst conservatives of his own group, even if being a Jew or a Muslim isn't a large part of their identity (i.e. they don't really define themselves through it). Or they may try to hide their religious identity amongst strangers, even they are religious - such acts may be prudent to do so, for example, in a society where antisemitism or Islamophobia is prevalent, where people do get triggered simply because you are a Jew or a Muslim.
In other words, privacy rights isn't about hiding secrets but safeguarding your own personal identity. You are of course right that if we change our own perspective about our own personal identity and behaviour, we can certainly become more comfortable with ourselves. And that can foster political changes too.