They're pulling the cookie cutter "somethingsomething 'Executive Privilege' somethingsomething 'Witch Hunt'" spiel.
Although a correction is needed: Ivanka is being called in to the Jan 6 committee alone for those calls to her dad. Ivanka and Jr. both are being subpeonaed in an unrelated NY investigation into, you guessed it, Trump property tax fraud.
Edit: Also, with nearly a full year under his belt Biden has now officially vacationed like 31 times. A fact right wing media is attacking him for. Trump in the same time had vacationed 90 times in the same timeframe. A fact right wing media is playing "The floor is lava" with. I'm having trouble finding exact numbers, but apparently his vacations has cost taxpayers something like $3+ million...to various businesses. Meanwhile Trump's had cost upwards of $400 million...straight to his own properties.