"rendering them" is a perfectly acceptable use of English, either written or spoken.
For example, "After learning the news, the family was speechless, rendering them unable to respond."
Crossing the Line dismantles labels by rendering them meaningless.
It was if this "shameful" aberrance was rendering them undesirable.
Such flooding soils them to the point of rendering them useless.
The light interacts with microorganisms, destroying their DNA and rendering them harmless.
For centuries, people have known that exercise remodels muscles, rendering them more durable and fatigue-resistant.
Such antibodies recognise and attach themselves to these molecules, rendering them harmless.
A cocktail of biochemicals kicks in as the shrubs grow older, rendering them unpalatable.
Canada geese shed their plumage during the summer, rendering them flightless, and therefore easier to catch.
It afflicts about 100 babies a year, rendering them unable to process the amino acid leucine.
In London and Paris, stations are trenched in the ground, rendering them difficult to remove.
Mexico's municipal police were poorly trained, poorly paid, and poorly equipped, rendering them susceptible to bribery.
