Did Goryachev et al. detect megahertz gravitational waves?

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Goryachev et al.

• [1] recently announced the detection of "two strongly significant events" in their Bulk Acoustic Wave High Frequency Gravitational Wave Antenna.
• They claim many possibilities for the cause of these events, including high-frequency megahertz gravitational waves.
• We demonstrate these events are not due to gravitational waves for two reasons.