I don't think it's any sort of conspiracy.
maybe you need to read some of the topics bro:
some examples to make it easy for you:
bitcoin under spam attack => ethereum will replace it:
https://bitcointalk.org/index.php?topic=1913661.0bitcoin failed + not ready for big time => price falling to $100:
https://bitcointalk.org/index.php?topic=1914455.0bitcoin is dead and unusable, i am replacing it with an altcoin in my business and refuse to say what my business is.
https://bitcointalk.org/index.php?topic=1912298.0bitcoin is only for speculation
https://bitcointalk.org/index.php?topic=1913590.0these are a small group i found from previous days within last 4 pages. there are more.
and obviously i may be wrong about some of them, but out of 50 similar topics with same theme the chaces are low.