Not that they, nor a number of other contributors, reject the ever-present possibility of range extensions.
This is most obviously the case in eager learning methodologies, like neural networks, where overfitting to the training data is an ever-present danger.
In addition, there is the ever-present risk of unintentional exposures of populations to toxic chemicals and pathogens through industrial accidents and food contamination.
It really is true that there is almost nothing as ever-present in the history of mankind as war.
Such an ever-present social ethos is bound to be slippery to conceptualize.
Imbuing all this discussion is the fascinating, ever-present conflict between the rhetoric of individual morality and the exhortations towards collective reform.
Through the metaphor of redefinition, the closet can describe someone whose identity is not ever-present, but changing.
The spread of disease from one farm to another is therefore an ever-present risk, and epidemics have been a major problem.