I think the comparison with Pfizer is appropriate but it is possible only in the backdrop of global scare where pretty much all nations agreed to shutdown .. Conspiracy or not - recurrence of a similar event in financial markets such that Blackrock could fork btc to POS is pretty remote -- but who knows !
Short term fomo is good for price appreciation, thus, for the 99% is awesome since their ethos is "show me the money!!!"
For the 1% of libertarians that believe in the Satoshi ethos and keep believing "Bitcoin fixes this" adds uncertainty and is a call for being alert, MCSFT is well known for its aggressive business "manners", which includes plenty of questionable strategies (many law suits to backup the statement)
What they could do? Plenty have been written, reminds me a couple of articles I read recently in stacker news, check nostr:nprofile1qqsrtuazdng7waddzmdd3nyw36w5sfvler95vgcte9nreqf8jtwlyvgpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsz9mhwden5te0wfjkccte9ec8y6tdv9kzumn9wshsz9nhwden5te0wfjkccte9ekk7um5wgh8qatz9uj060zu article in stacker news discussing ETFs impact and extrapolate to giant corps, https://stacker.news/items/226279/r/rod
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btw great post .. thanks for sharing