‘Tag-along’, ‘drag-along’ and other strange rights

When you first read these clauses it isn’t always clear what they are trying to achieve, and why you would include them in your Shareholders Agreement (or Constitution).
Why use quality legal documents?

Most “standard” legal documents will not achieve their intended outcome. Why?
Andrew’s presentation style hits the sweet spot

Andrew’s presentation style hits the sweet spot, providing enough relevant material to satisfy people’s appetite, without sounding too much like a ‘law lecture’
Just how suitable are off-the-shelf legal documents?

Most “standard” legal documents will not achieve their intended outcome. Why?