“…Finally, the interpretative role of the ECtHR has been the subject of a recent formalisation. The invasion of the ECTHR into the process of discussions and of the reform proposals of the conventional system requires the strengthening of the principle of subsidiarity and the use of the margin of appreciation in the action of the ECtHR (Grabenwarter, 2014;Marchadier, 2014;Ziegler et al, 2015;Davis, 2016;Gerards & Lambrecht, 2018;Kälin & Künzli, 2019;Glas, 2020;Kunz, 2020;Alves Pinto, 2020).…”