Failing to determine common ground due to excessive insight into some field/topic
'Blinding someone with science' is also used in a metaphorically broadened sense outside the science domain.
blind with science (British & Australian)
- If you blind someone with science, you confuse them by using technical language that they are not likely to understand.
[Collins Cobuild Idioms Dictionary]
You're also not on the same wavelength as your audience.
be on the same wavelength [phrase]
- to understand the way that another person thinks because you often have the same ideas and opinions as they do
[Macmillan]