What you're missing is that the Protect our Future PAC only participated in the primary campaign cycle, meaning intra-party elections. POF did not participate in the general election in November.
If you look at donations based on when they were made, the GOP was the overwhelming recipient of FTX money for the general election in November, i.e., the election that mattered.
Protect our Future PAC is just one of several donations that were enormously larger than the $286k R / $283k D total direct candidate donations.
Meanwhile, just because a donation is received during the primary season doesn’t mean it can’t be spent during the general election period, when the candidate in question wins the primary.
If you look at donations based on when they were made, the GOP was the overwhelming recipient of FTX money for the general election in November, i.e., the election that mattered.