Impressive, it really works!
Why do they allow this? They want to be indexed by google? What is the logic behind, because if you go by their website you have a terrible experience, if you go by google (with googles ads) you have a better one!
Leaky paywalls are a pretty common design. You can read some articles if you just register too.
Does Google have a direct I'm feeling lucky query param so you can link the Google route directly?