It is right to be conservative in using new things.
Moses Mendelsohn was very enthusiastic about new things, others – opposed. Is it intrinsically bad to read Chumash in High German? So, many people read ArtScroll now (ok, it may be High Yinglish), but at the time, it directly assisted assimilation.
Founder of Chabad opposed Napoleon and supported the Czar with spies, in part because of fear of modernity; others, including Chaim Volozhin – disagreed, even if they saw that Czar is likely to survive. Maybe a closer case, but still.
Still, sometimes one needs to act boldly in view of external changes. See Rabban Gamliel, writing of the Mishna, etc. Claiming that “power of meikel” is mis-understood by serious opponents is as credible as to claim that Chasam Sofer was talking about grain when he re-prohibited “chadash”.