dow we need model in query builder laravel code example

Example 1: laravel model::query

// Eloquent's Model::query() returns the query builder

Model::where()->get();
// Is the same as 
Model::query()->where()->get();

Model::query();
// Can be useful to add query conditions based on certain requirements

// See https://stackoverflow.com/questions/51517203/what-is-the-meaning-of-eloquents-modelquery

Example 2: query builder laravel

use Illuminate\Database\Eloquent\Builder;

public function scopeFakePersons(Builder $query): Builder
{
  return $query->where('is_fake', 1);
}