There are many following Buffett. In the last 5 years, do you expect him to beat the market by a good margin? No in reality.
KO is not doing well recently. Many stay away from sugar drink and more cities will impose a tax on sugar drinks.
did a simple research comparing a few high tech companies in the
performance for their first 10 years and the next 10 years. From my
memory, all except Apple did well in the first 10 years but not in the
next 10 years. For me, there is no evergreen tech companies.