Can science exist without free discussion?

PurposeThe aim of this article is to draw attention to the importance of open discussion for the proper development of science. Design/methodology/approachIn the phase of the developed market economy we are currently in, the evaluation of each human activity, including scientific work, which is based on an evaluation of the value of the profit it brings. Unfortunately, it does not always work correctly. FindingsThe problem will be analyzed using as an example the erroneous (according to the author) use of fractional derivatives in electrical engineering. Originality/valueTo the best of the author's knowledge, this is the author's original point of view on the problem of improper use of fractional derivatives in electrical engineering.