You can place your bet with knowledge, despite not being able to influence the result.
See also: poker, insider stock trading, etc.
Edit: Given that they have bots stealing the items, I don't think this is actually gambling--it's actually just entirely wasting money.
If it worked as-presented, I would say there's a marginal amount of skill involved, which would have its effect magnified over time, as happens in poker.
You can place your bet with knowledge, despite not being able to influence the result.
See also: poker, insider stock trading, etc.
Edit: Given that they have bots stealing the items, I don't think this is actually gambling--it's actually just entirely wasting money.
If it worked as-presented, I would say there's a marginal amount of skill involved, which would have its effect magnified over time, as happens in poker.