Let's see:
1) Detailed service reports
2) Concept of a governing body being spirit directed but not inspired
3) Elders not reporting crimes committed by their members to the police
4) Religious leaders not accepting any kinds of criticism
5) Practice of shunning includes close friends and family
6) Re-integration process (attend meetings at the back for 6 months to a year)
7) Prophetic dates they still consider valid (1914, 1919)
8) Baptizing kids (as early at 7 years old!)
9) Not participating in charity for the poor (soup kitchen and similar endeavors)
10) No blood transfusions
11) Disfellowshiping people for small sins such as smoking, celebrating various holidays, talking to disfellowshiped friends, etc.
12) 144 000 being a literal number and implying that the majority of the anointed ones today are self-deluded emotionally unstable Christians.
13) Reporting every faults and sins to the elders
14) Lying in courts defending practices that are unbiblical