The number of papers does not matter. Otherwise China is already the best country for research as the number of papers per year from China Mainland is already in top 3 in many fields.
There should be some extra reason(s) caused him to commit suicide. Possibly due to any physicological illness.
真心奉勸那些準備海歸的朋友們,要腳踏實地穩步前進,經得起摔打跌得起跟頭,在自己的路上比儕輩走得好,就是成功。
Well said.