Saudi Aramco had a rough 2020, just like every other oil company. But Aramco isn’t any ordinary oil company — it’s the world’s biggest, and the pandemic’s toll on its business had a decidedly adverse effect on the Saudi-owned business.Saudi Aramco had a rough 2020, just like every other oil company. But Aramco isn’t any ordinary oil company — it’s the world’s biggest, and the pandemic’s toll on its business had a decidedly adverse effect on the Saudi-owned business.