No offense, but you don't come off very nicely in that thread. Perhaps you could rephrase your criticism in a way that would make the maintainers more likely to listen to you?
…I personally find that very hard to believe. Maybe you weren't specifically "rude" here, but you were clearly unpleasant–you called their claims "false" and "nonsense" repeatedly, which is rarely if ever necessary.
Calling false claims "false" is necessary and not rude.
And I just added Highwayhash now to smhasher by myself and my initial analysis was confirmed. It's the 2nd slowest of all tested good hashes, only behind Siphash. Every other is simplier and faster.
Chi-Square on the lower 32bits was 0.00 so it's really a good one. But I see no usecase for it, really.