Because government has a monopoly on violence.
Its a step in the wrong direction. The next step is to forbid asking that question. Step 3 is war to get our rights back. 2 and 3 may take time. Say 6 years for 2 and 1000 years for 3.
1000 years of blaming the witches, the socialists, the unionists, the jew, the Muslim, the Chinese, the Russians and of course you!
If you were defending the governments right to censor speech you were useful in installing it. When the censorship is accepted by the masses you become someone known to publicly share an opinion about a forbidden topic. Presenting the question for others to answer the way you just did is much worse than having your own opinion.
If we allow people like that, before we know it, we have people questioning everything!
Then lets not ignore the fact that most countries had to make laws specifically to protect working parents. There are most likely entire warehouses filled with court cases over a business owner realizing that statistically hiring a non married replacement for the recently married employee will be better.
They wont do it out of racism, they wont do it out of religious fervor. However they will do whatever they can to make more money.
Come to think of it, why would it be bad if a government censors speech?