Bunge seems to be described primarily as a philosopher, but I also see that he recently wrote a notable paper suggesting that the detection of gravitational waves implies the realism of spacetime.
Everything is fiction at hypotheses generation phase. It will be science only when it will be confirmed by an experiment and reproduced by some one else and withstand critics. String theory requires extra-dimensions, which are never seen, while my theories are doesn't, so they are less fictional.
https://arxiv.org/abs/0902.2811
https://scholar.google.com/scholar?cites=9368943224139680400
https://academicjournals.org/journal/AJMCSR/article-full-tex...
https://scholar.google.com/scholar?cites=3459540491989485865
http://fs.gallup.unm.edu/PiP-2015-04.pdf#page=57
https://scholar.google.com/scholar?cites=2136327572232256000