Your launch price may somehow be cheaper; although, that's incredibly unlikely. Anyways as your insurance underwriter I'm going to jack up the rate on you so high for that launch it will no longer be cheaper.
It's also a bit of a straw-man to assume people will only fly on the cheapest lift option. Virgin Orbit lasted as long as it did only because there was one (maybe two) customers who were willing to pay a premium for being guinea pigs for a new technology. Their reasoning was something like "if this pans out, it'll be very cool long term" so they were willing to put their small-sats on a largely untested platform.
The same could be said about some of the entrenched players in earth observation. They're willing to pay a bit of a premium for a reasonable amount of time to ensure there's not a monopoly player (which definitely looks like it will be SpaceX.)
How much of a premium they're willing to pay and for how long seems like anyone's guess.