Are the appearance exceptions for headgear and facial hair for religious reasons fair to the rest of the force? Why or why not?

An article focused mainly on Indian-Americans was recently published where the discussion turned to changing policies (grooming, wear of uniform, etc) to allow more folks to join without comprising their religious practices/beliefs.<div><br></div><div>Without focusing on specific religions, but focused mainly on grooming and uniform standards, does the military need to dispose of antiquated "uniformity" in lieu of more individual expression?</div><div><br></div><div><a href="http://www.indiawest.com/news/15912-sikh-soldiers-want-more-indian-americans-in-u-s-army.html#kaxMGk112xXGCIbO.99">http://www.indiawest.com/news/15912-sikh-soldiers-want-more-indian-americans-in-u-s-army.html#kaxMGk112xXGCIbO.99</a><br></div><div><br></div><div class="pta-link-card"><div class="pta-link-card-picture"><img src="http://www.indiawest.com/indiawest_cms/gall_content/2013/12/2013_12$largeimg229_Dec_2013_102644053.jpg"></div><div class="pta-link-card-content"><div class="pta-link-card-title"><a target="_blank" href="http://www.indiawest.com/news/15912-sikh-soldiers-want-more-indian-americans-in-u-s-army.html">Sikh Soldiers Want More Indian Americans in U.S. Army</a></div><div class="pta-link-card-description">The United States should change its policy to allow more Indian Americans to join the military without compromising on their religious beliefs and practices, the only three Sikh soldiers in the U.S. A...</div></div><div style="clear:both"></div><div class="pta-box-hide"><i class="icon-remove"></i></div></div>