If the intention is to convince whistleblowers #3 through #30 that they should find a healthier hobby? Then yeah, they don't really care if it's obvious to the peanut gallery, so long as it's obvious to any other witnesses.
That seems to presume the murder conspiracy theory. But if the conspiracy theory is effective in silencing whistleblowers then the murder is unnecessary. But if the murder didn’t happen the conspiracy theory is false then there was no reason for whistleblowers to be silent for fear of being killed. So this speculation in the absence of evidence serves the interest of corrupt corporations by undermining the confidence of whistleblowers.