"might seem controversial" is a correct and usable phrase in written English.
It can be used to express uncertainty or possibility about how something might be perceived or viewed as controversial by others. Example: "Her opinions on politics might seem controversial to some, but she stands by her beliefs."
If you're a complete asshole, this might seem controversial, but it's true.
At first glance, our findings might seem controversial; over the past decade it has become dogma that APP is absent from synaptic vesicles, and this has heavily influenced the prevailing view of APP trafficking in neurons.
It might seem controversial that the concentration of PXL150 causing 99%% killing of S. aureus in MMC99 assay (Table 1) resulted in only minor reduction in viability when assessed in connection to membrane depolarisation assay.
Although offering patients choices regarding CHD prevention strategies might seem controversial, it has been suggested that an approach that uses global CHD risk and facilitates choice helps patients to match the intensity of their CHD prevention efforts with their concerns for safety, cost, and the time commitment for treatments.
There's a disconnect between real time and fashion time that makes it difficult for things that might seem fantastically controversial during fashion week to cross over into the mainstream.
The use of manure to generate energy might seem less controversial than fish carcasses.
Finally, we need to be aware that even it might seem rather controversial at the first glance, short membrane permeabilizing, i.e., short, high voltage electric pulses may be less detrimental to the tissue than electrophoretic, i.e., long, low voltage pulses, as they result in higher temperature increase [ 64], but also in large changes of pH, even extreme changes [ 65].
His choice of the chatty Mr Davutoglu may seem controversial.
This claim does not seem controversial.
Here, the lawmaker who has spent eight years working for what might seem far less controversial goals is the only openly gay member of the Idaho Legislature.
We knew we were choosing what might seem like a controversial route to parenthood — but it was one that Alex and I thoughtfully came to together, as a couple, after countless hours of research and reference checking.
