You may be protected from the specific examples provided in the blog post, but, on the whole, you will not be protected. Most of the underlying vulnerabilities here can be exploited with simple HTML and CSS.
Content blockers can also prevent embedded iframes from loading. The article looks like this for me using uMatrix in Firefox: https://i.imgur.com/pYFXRR3.png
Clicking the link opens the iframe in a new tab, so it's hard to click it again without noticing what's going on.
Clicking the link opens the iframe in a new tab, so it's hard to click it again without noticing what's going on.