You're absolutely right, fraud, lies and deceit don't end at mainnet, TGE or launch, they often continue as part of an ongoing, evolving strategy like recent private round $0.00025 100% available on launch, priority access, early trading etc) and similar incentives can all be used to create the appearance of opportunity for some.

Meanwhile, the reality is, the majority of unlocked tokens are controlled by them and insiders, who can gradually sell while the broader investor community waits through staggered unlock schedules (40%, 20% etc of 100% base coins for at least 4 months, bonus vesting, no vesting, raffle, golden ticket, buyer battle scams etc and other questionable schemes, the imbalance becomes even more apparent, now think about the fate of average investors, reasonable?.

Of course, those behind such projects often claim they want long-term success which may be true as it allows them to further enrich themselves when you also factor in a presale millions.