Dolphins are interesting. Researchers tried to get someone living with one in a waist high pool all day to teach it language humans could understand. Funding started running out, so the researcher started giving it handjobs and LSD. No luck. Source:
You misrepresent the scenario to the point of fabrication; while each event you describe did individually (sort of) happen, the narrative is all scrambled. And your "source" is just a link to another article, which 404s.
Fascinating information to supplement. However the Wikipedia doesn't produce any citations either, so tough to accept human edits as truth. additionally, the Wikipedia article actually doesn't contradict what ehhhhhh commented.
Wikipedia link, for the curious: https://en.wikipedia.org/wiki/Margaret_Howe_Lovatt