Perhaps you don’t understand what the word means.

The commenter said this only effects speculators.

You replied with:

No, it effects ‘ordinary’ Chinese people as many invested their life savings hoping to pay for a house or an apartment for themselves and their children.

That’s speculation. Investing with the hope of a big pay out is the definition of speculation. Yes, ordinary Chinese people can be speculators. Do you think speculators are not ordinary people?