Journal of Cosmology, Filaments and Astrobiology JCFA 2834-0221 10.54216/JCFA https://www.americaspg.com/journals/show/1158 2022 2022 Remark on “Reversible dynamics with closed time-like curve and freedom of choice” by Germain Tobar & Fabio Costa victorchristianto@gmail.com Victor Christianto A new paper by Germain Tobar et al seem interesting, that they claim that reversible dynamics of CTC is possible. We comment this paper by pointing out at least 4 issues that make this paper problematic, not only practically but also conceptually. 2022 2022 16 19 10.54216/JCFA.010102 https://www.americaspg.com/articleinfo/32/show/1158