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.