Earlier quoted context omitted.
George Kurtz is not a Democrat. Crowdstrike is also a giant in this field. I assume the connection is, the DNC wanted to go with a safe, big name.
Political connectedness exists on many spectrums other than the usual Red vs Blue. An interesting one you can see from the outside (that might not have anything to do here, it's just an example) is CIA vs NSA. You can see Nancy Pelosi's statements back that look like "we've always been at war with East Asia" and "we've never been at war with East Asia" wrt to the intelligence apparatus depending on which agency screw…
I don't think the Russia investigation has thing #1 to do with Crowdstrike's IPO or what their business is like, though. That's much simpler: EDR is the new antivirus, antivirus has historically been one of the most lucrative enterprise technology products (to say nothing of security products), and Crowdstrike has a commanding share of the EDR market.