We are getting a strange issue where data(attribute values) of other products show up in the Default store view randomly while the correct data is inside the All Store Views.
For example:
In this product in All Store Views, the brand value is empty:

But in Default Store View it is not empty:

And then in the How To content the description of an another product is being called in the Default Store View:

Whereas in All Store Views it is empty:

We do not use a CSV to import the data, we do it manually. Can some one help us debug this issue?
Thank you.