Bruh the sword was hugely in use for hundreds of years that that.. thing.. came along.
1796 light cavalry saber? Hello?The 1892 pattern? Swords were so important and well evolved to their function the barely had to adapt to fire arms till functional automatic fire became a thing.
While soldiers carry firearms, due to decades of tradition designed to reduce the possibility of an escalation, agreements disallowed usage of firearms, but the Chinese side was reported to possess iron rods, clubs and batons wrapped in barbed wire and clubs embedded with nails. Hand-to-hand combat broke out, and the Indian soldiers called for reinforcements from a post about 3.2 kilometres (2 mi) away. Eventually, up to 600 men were engaged in combat using stones, batons, iron rods, and other makeshift weapons. The fighting, which took place in near-total darkness, lasted for up to six hours. The Defence Ministry of India said in its 2020 year end review that China used "unorthodox weapons".