Prime performance killer are not only management fees, but also liquidity. The most liquid ETFs are listed at the New York Stock Exchange (NYSE). All above mentioned ETFs have a tighter or equal bid-ask spread as the most liquid Swiss blue chips.
Graph: Bid-ask spread in % of the asset price. It indicates liquidity and cost of trading in a certain asset. Blue = bid-ask spread of ETF used in my portfolio, red = bid-ask spread of Nestlé and Novartis stocks.