In many ways Chinese is much easier than English (verbs, past tense, sentence structure, lack of articles, lack of phrasal verbs, irregular pronunciations and spellings due to diverse cultural and linguistic background, etc), whilst in other ways it is more difficult (writing system, tones). I don't however think it's a simply case of saying A is easier than B. After all, any language can be mastered.
Globish is, to quote wikipedia:
"...a subset of the English language formalized by Jean-Paul Nerriere. It uses a subset of standard English grammar, and a list of 1500 English words. According to Nerriere it is "not a language" in and of itself, but rather it is the common ground that non-native English speakers adopt in the context of international business."
If you think English grammar is easy or non-existent, then I recommend you read "Practical English Usage" by Swan.