>What's the conflict? I can call something reckless without the recklessness itself making me particularly opposed to it.
see: https://en.wikipedia.org/wiki/Chekhov's_gun
If you start off a sentence with "Some cracks started to form in this when", and then describe a situation using negative adjectives (ie. "reckless"), it's fair for most assume that the "recklessness" was your justification for the aforementioned claim. If that detail is irrelevant to your argument, then you shouldn't include it.
As for the object level question of whether taking such a bet is "reckless" at all. It's entirely impossible to tell without knowing the bet amount, and his finances at the time. Musk was recently able to take a $40B hit to his finances when he was forced to buy twitter (after trying to back out), with seemingly little consequence, so it's unclear whether an absurdly large bet would actually be "reckless".
>Also it's not just that he didn't share the reward, it's that he forced a whole lot of extra difficult work and then also didn't share the reward.
Bosses telling non-equity owning subordinates to work harder is hardly a phenomenon limited to Musk.
