If one of your major model inputs is off by up to 50%, what does that do to the precision of your predictions about degrees of temperature change a century from now?
The popular RNA World hypothesis is so improbable that multiple universes would be needed to believe it, but some prefer that to the obvious implications.
Old-earth belief tries to paper over a disturbing fact with speculative models, but 160 years of measurements show the strength of our planet's magnetic field is dropping fast.
Astronomy used to be the flagship model of observational science. Now, the method is: embrace the dogma, then hunt for obscure details that might support it.