Why we haven't found aliens (pt 1)

What a fascinating topic! I just fell down a block whole of research on the probability that we may find alien live one day (and if the assumptions of this paper are right, its nor looking good..)

Engler, J. O., & Von Wehrden, H. (2019). ‘Where is everybody?’An empirical appraisal of occurrence, prevalence and sustainability of technological species in the Universe. International Journal of Astrobiology, 18(6), 495-501.