One can communicate in any language as much as one wants to, but as for engineering there are such things as industry standards and "good practices" one should

One can communicate in any language as much as one wants to, but as for engineering there are such things as industry standards and "good practices" one should obey to to get others (presumably on the other side of the world) understand your engineering sulutions and decisions. Following your logic why no use hieroglyphs in variable names and other specifiers ? How will you cope with that ?