Team building: rights and obligations

Once you participate in management, you will find things interesting at hand.
Because human behavior patterns are not as good as computer predictions, they often encounter situations such as good intentions to do wrong things and hard work and thankfulness.

Recently, the company received a group of interns, several of whom were assigned to my staff, so they opened a small meeting to let new and old employees know each other,
At the meeting, I also mentioned the issue of "team building", which reminds me of two things about "team building" in the past few years.

Five years ago, in a company, some employees complained that the company did not have any spare time activities, and the company quickly named "team building,
A notice was issued to arrange for at least half of the sessions to be held at-yy every week to go to a certain place to play badminton.
Unexpectedly, this rule caused most people to disagree. They all said that they should not be forced to participate in activities in their spare time,
This made me very embarrassed to draft the notice, and it would be useless.

Later, in another company, some people reported that there were too few activities in the company, so I threw the problem to everyone via email:
Some people have proposed to strengthen Team building. Do you have any good ideas?

As a result, I expressed my own opinions. After full discussion, democracy was then concentrated, and I decided to play the game,
After the solution is determined, I will throw you another question:
You need to apply for funds for activities from the company. You must participate actively and avoid wasting your money. Otherwise, it will be difficult to organize the activities in the future.

Everyone expressed their willingness to participate actively.

Similar things have different processing methods, resulting in different results,
Is this often referred to as "how to do things with caution "?

I feel that psychology is more and more important to management,
In the first case, the sudden "regulations" put managers and managers on the opposite side,
It makes everyone feel that participation in activities is a task and an obligation.
In the second case, everyone participates in the decision-making process, and no one wants to deny himself or herself,
It makes everyone feel that this activity has become a kind of rights and benefits.

But what I want to discuss is:
1. Should team building be employee benefits or obligations?
2. Which of the following management methods is more effective than the policies of the people concerned?